Optical scanner



FIG. 1 is a front perspective view of an optical scanner;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof.

FIG. 5 is a back view thereof;

FIG. 6 is a right-side elevation view thereof; and,

FIG. 7 is a left-side elevation view thereof. 

The ornamental design for an optical scanner, as shown and described. 